Seiko Cal. 4542 - 840

This Spring Drive model from 1985 features a 36mm Titanium case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-1fa11017bf0c]

Also known as: Bullhead, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1985

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